This 16550 Serial PCI Card can be installed in a PCI slot to add an RS232 serial port a costeffective solution for connecting any new serial device or old legacy serial device with data transfer rates of up to 115.2 Kbps.

This 2 Port 16550 Serial Card can be installed in a PCI slot to add two serial ports a costeffective solution for connecting any new serial device or old legacy serial device with data transfer rates of up to 115.2 Kbps.

This low profile 16550 Serial PCI Card can be installed in a PCI slot to add an RS232 serial port a costeffective solution for connecting any new serial device or old legacy serial device with data transfer rates of up to 115.2 Kbps.

This 2 Port low profile 16550 Serial Card can be installed in a PCI slot to add two serial ports a costeffective solution for connecting any new serial device or old legacy serial device with data transfer rates of up to 115.2 Kbps.

This 2S1P PCI Express adapter card adds two RS232 DB9 serial ports and a parallel port and features a native singlechip design that harnesses the full power of PCIe reducing CPU load up to 48% over bridge chip cards. Includes Low profile bracket.

This Low Profile PCI Express RS232 Serial card adds an RS232 (DB9 pin) Serial port to a computer and features a native single chip design that harnesses the true power of PCI Express reducing CPU load up to 48% over conventional bridge chip cards.

This 2port PCI Express Serial card adds 2 RS232 (DB9) serial connections to a computer and features a native singlechip design that lets you harness the full power of PCIe reducing CPU load up to 48% over conventional bridge chip cards.

2 Port PCI Express Serial Card The PEX2S553B Serial PCI Express card lets you add two RS232 serial ports using a single PCIe expansion slot. With the included "break out" cable you can even add two ports to a single low profile slot.

This 4port PCI Serial card turns a motherboard PCI slot into four RS232 serial ports a costeffective solution for connecting any new or old serial peripheral with support for data transfer rates of up to 115Kbps. Backed by Lifetime Warranty.